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Golfer's elbow, or medial epicondylitis, is tendinosis (or more precisely enthesopathy) of the medial common flexor tendon on the inside of the elbow. [1] It is similar to tennis elbow , which affects the outside of the elbow at the lateral epicondyle.
Little League elbow, technically termed medial epicondyle apophysitis, is a condition that is caused by repetitive overhand throwing motions in children. "Little Leaguer's elbow" was coined by Brogdon and Crow in an eponymous 1960 article in the American Journal of Radiology. [1] The name of the condition is derived from the game of baseball.
Palpating the medial and lateral epicondyles to assess for pain or tenderness can help determine whether the epicondylitis is medial or lateral, and what muscle group is overused. A common diagnostic test utilized for lateral epicondylitis is to assess resisted wrist extension, along with resistance to the middle finger.
The medial epicondyle is often the final growth plate (ossification center) to ossify in the elbow. Growth plates are particularly vulnerable to injury compared to bone. Children can have an open medial epicondyle growth plate until age 13–17 years old, thus making the medial epicondyle more susceptible to injury. [3] Medial epicondyle ...
Schematic diagram of the medial side of the elbow showing the ulnar nerve passing through the cubital tunnel. Chronic compression of the ulnar nerve in the cubital tunnel is known as cubital tunnel syndrome. [4] There are several sites of possible compression, traction or friction of the ulnar nerve as it courses behind the elbow. [5]
The posterior oblique originates at the medial epicondyle and inserts along the mid-portion of the medial semilunar notch. [11] It applies more stability against valgus stress when the elbow is flexed rather than extended. The transverse ligament connects to the inferior medial coronoid process of the ulna to the medial tip of the olecranon. [11]
The ulnar collateral ligament has its apex on the medial epicondyle. Its anterior band stretches from the anterior side of the medial epicondyle to the medial edge of the coronoid process, while the posterior band stretches from posterior side of the medial epicondyle to the medial side of the olecranon. These two bands are separated by a ...
The medial epicondyle protects the ulnar nerve, which runs in a groove on the back of this epicondyle. The ulnar nerve is vulnerable because it passes close to the surface along the back of the bone. Striking the medial epicondyle causes a tingling sensation in the ulnar nerve. This response is known as striking the "funny bone". [1]